What are the basic building blocks of DNA?
A. amino acids
B. Fatty acids
C. nucleotides
A amino acids
100
The number of Cytosine is equal to the number of-
What is guanine
100
How many bases make up one codon?
What is 3
100
What was the student missing in her experiment?
A. a control
B. a conclusion
C. observation
A or Control
200
A membrane that allows some materials to enter the cell and does not allow others is described as
A. Semi-pearmeable
B. Impermeable
C. Permeable
A or Semi-permeable
200
DNA is located in the
What is nucleus
200
Uracil takes the place of ______ in RNA.
What is Thymine
200
Determine the number of codons in the following sequence:
AUGCCACACGGUAGU
What is 5
200
What is the independent variable in the experiment?
What is rock music
300
Which of these would occur if an animal cell were placed in a hypotonic solution?
A. The cell would Shrink
B. The cell would expand
C. No change would occur
B or The cell would expand
300
Which of these codes determines a specific trait of an organism?
A. amount of adenine
B. sequence of nitrogen bases
C. number of sugars
B or sequence of nitrogen bases
300
Transcribe
ATAGCCCGA
What is UAUCGGGCU
300
Using the genetic codon chart, determine the amino acids of the following mRNA strand:
AUGCCUUGA
methione, proline, stop
300
The sentence underlined is the:
A. variable
B. observation
C. conclusion
C or conclusion
400
The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of?
A. Carbohydrates
B. Lipids
C. Proteins
c or Proteins
400
Compared to DNA, RNA is a -
A. double helix structure
B. Single-stranded structure
C. circular structure
B or single -stranded structure
400
What is the complementary mRNA strand of:
TACCAGGAT
What is AUGGUCCUA
400
Using the genetic code codon chart, determine the amino acids of the following mRNA stran:
CUAACUAGU
leucine, threonine, serine
400
The theory or statement being tested in an experiment is the:
A. conclusion
B. Hypothesis
C. Idea
B or Hypothesis
500
White blood cells engulf bacteria by the process called-
A. Pinocytosis
B. Exocytosis
C. Phagocytosis
C or Phagocytosis
500
DNA is composed of what type of sugar?
What is Deoxyribose
500
Which of these processes describes translation?
A. messenger RNA is made from DNA
B. transfer RNA is made from messenger RNA
C. copies of DNA molecules are made
A or messenger RNA is made from DNA
500
Using the genetic codon chart, determine the amino acids of the following DNA strand:
AGGCCCAAA